Philips manual Inside the ISP1362 Linux Stack, Top-Level Directory, Host, Device

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Philips Semiconductors

ISP1362 Linux Stack User’s Guide

6. Inside the ISP1362 Linux Stack

The ISP1362 Linux stack release consists of two parts: a Linux kernel OTG patch for kernel version 2.4.18 and the ISP1362 Linux stack source code.

The code is written in C. This chapter explains the ISP1362 Linux stack source code organization.

6.1.Top-Level Directory

The root directory consists of all the substack directories and the make files. Table 6-1 shows the contents of this directory and their description.

Table 6-1: Top-Level Directory Contents

File Name

Description

release/Makefile

Top-level Makefile that compiles all the subdirectories

release/Rules.Make

Top-level make file rules

release/host

ISP1362 host stack directory

release/device

ISP1362 device stack directory

release/otg

ISP1362 OTG stack directory

release/hal

ISP1362 hardware access layer directory

Release/appl

ISP1362 OTG mass storage application modules directory

release/objs

ISP1362 Linux stack object files directory

6.2.host

The host directory consists of files and directories related to the ISP1362 host stack. The contents of this directory and their description are given in Table 6-2.

Table 6-2: Contents of the host Directory

File Name

Description

release/host/Makefile

Makefile for the host stack

release/host/phci/

ISP1362 Host Controller Driver directory

6.2.1.phci

The phci directory consists of files related to the ISP1362 Host Controller Driver. The following table shows the contents of this directory and their description.

Table 6-3: Contents of the phci Directory

File Name

Description

release/host/phci/Makefile

Makefile for the Host Controller Driver

release/host/phci/usb_phci.c

ISP1362 Host Controller Driver C source file

release/host/phci/usb_phci.h

ISP1362 Host Controller Driver C header file

6.3.device

The device directory consists of files related to the ISP1362 device stack. Table 6-4 shows the contents of the device directory and their description.

UM10012-_2

 

© Koninklijke Philips Electronics N.V. 2003. All rights reserved.

User’s Guide

Rev. 1.2—July 2003

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Contents Version Date Description Author UM100122 ISP1362 Linux StackDisclaimer Contents Philips Semiconductors Figures Concept IntroductionHost Stack Core ModulesDevice Stack Application Modules InstallationPorting Modules ISP1362 PCI Evaluation Kit Setting Up the PC and OSSetting Up the ISP1362 Evaluation Kit Setting Up the SoftwareAny other USB options that need to be enabled Host PC Setup Setting Up the ISP1362 Add-On CardISP1362 Add-on Card for Intel PXA250 based Accelent IDP Rev #tar Ixvf arm-linux-gcc2953.tar.bz2 USB Catc USB Kawth Accelent IDP Rev 04 Target Setup#cd /home/1362/objs #./imod Development setup for Intel PXA250 Based Accelent IDP Armtoolchaintar.bz2 Linux Kernel Configuration Accelent IDP Setup Loading the Stack Operating the ISP1362 Linux StackInitializing the Stack Unloading the StackLoading the Stack Unloading the StackClosing the ISP1362 Stack ISP1362 Host StackISP1362 Device Stack Host Stack Evaluation Example SetupISP1362 OTG Stack OTG Stack Evaluation SetupOTG Mass Storage Application in the Idle State Snapshot OTG Application File Selection Snapshot Unloads OTG modules Option DescriptionOTG B device accessing remote OTG mass storage device files OTG B closing the session after connected device data access 10 Operations with OTG a and B devices Compilation Flag Description ConfigurationCompilation Flags GlobalDevice Inside the ISP1362 Linux StackTop-Level Directory HostDiskemu OtgPdc DevmscdOtgmsdemo HalAppl 1. x86pciObjs ReferencesTools Koninklijke Philips Electronics N.V Philips Semiconductors

ISP1362 specifications

The Philips ISP1362 is a highly versatile USB controller that serves as a key component in various electronics and computing devices. Known for its robust features and efficient design, the ISP1362 has gained popularity in applications ranging from consumer electronics to embedded systems.

One of the standout features of the ISP1362 is its support for both USB 1.1 and USB 2.0 standards. This dual compatibility allows devices utilizing the ISP1362 to connect seamlessly with a wide range of peripherals, ensuring flexibility for developers and users alike. The chip can efficiently handle data transfer rates of up to 12 Mbps in USB 1.1 mode and 480 Mbps in USB 2.0 mode, catering to fast data exchange demands in modern applications.

The ISP1362 integrates an advanced architecture with a built-in microcontroller unit, reducing the need for additional external components. This facilitates easier design and integration into various embedded systems, simplifying the development process for engineers. Its compact design is optimized for low power consumption, making it an ideal choice for battery-operated devices.

In terms of technological features, the ISP1362 is equipped with enhanced error detection capabilities. This ensures accuracy and reliability during data transmission, which is crucial for maintaining data integrity, especially in applications demanding high availability and performance.

The chip also incorporates a flexible pipeline for USB protocol handling, which enables it to manage multiple data streams efficiently. This feature is particularly beneficial in complex systems where various peripherals may be communicating simultaneously, allowing for improved system responsiveness and overall performance.

Moreover, the ISP1362 supports the use of different USB classes, including Mass Storage and Human Interface Devices (HID), providing developers with the versatility needed for a broad spectrum of applications. Its compliance with industry standards ensures compatibility and reduces integration times, making it a preferred choice for many manufacturers.

Overall, the Philips ISP1362 stands out with its combination of high-speed connectivity, power efficiency, and robust functionality, making it an excellent option for engineers and developers looking to implement USB connectivity in their designs. Whether in consumer electronics, automotive applications, or industrial devices, the ISP1362 continues to be a reliable USB interface solution that meets modern performance demands.